xref: /freebsd/bin/ls/cmp.c (revision c4f6a2a9e1b1879b618c436ab4f56ff75c73a0f5)
1 /*
2  * Copyright (c) 1989, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Michael Fischbein.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #if 0
38 #ifndef lint
39 static char sccsid[] = "@(#)cmp.c	8.1 (Berkeley) 5/31/93";
40 #endif /* not lint */
41 #endif
42 #include <sys/cdefs.h>
43 __FBSDID("$FreeBSD$");
44 
45 
46 #include <sys/types.h>
47 #include <sys/stat.h>
48 
49 #include <fts.h>
50 #include <string.h>
51 
52 #include "ls.h"
53 #include "extern.h"
54 
55 int
56 namecmp(const FTSENT *a, const FTSENT *b)
57 {
58 	return (strcoll(a->fts_name, b->fts_name));
59 }
60 
61 int
62 revnamecmp(const FTSENT *a, const FTSENT *b)
63 {
64 	return (strcoll(b->fts_name, a->fts_name));
65 }
66 
67 int
68 modcmp(const FTSENT *a, const FTSENT *b)
69 {
70 	return (b->fts_statp->st_mtime - a->fts_statp->st_mtime);
71 }
72 
73 int
74 revmodcmp(const FTSENT *a, const FTSENT *b)
75 {
76 	return (a->fts_statp->st_mtime - b->fts_statp->st_mtime);
77 }
78 
79 int
80 acccmp(const FTSENT *a, const FTSENT *b)
81 {
82 	return (b->fts_statp->st_atime - a->fts_statp->st_atime);
83 }
84 
85 int
86 revacccmp(const FTSENT *a, const FTSENT *b)
87 {
88 	return (a->fts_statp->st_atime - b->fts_statp->st_atime);
89 }
90 
91 int
92 statcmp(const FTSENT *a, const FTSENT *b)
93 {
94 	return (b->fts_statp->st_ctime - a->fts_statp->st_ctime);
95 }
96 
97 int
98 revstatcmp(const FTSENT *a, const FTSENT *b)
99 {
100 	return (a->fts_statp->st_ctime - b->fts_statp->st_ctime);
101 }
102